Finding the Fourth Proportional to 411,251.21, 567,523.46 and 229,963.49
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Solution
The fourth proportional to 411,251.21, 567,523.46 and 229,963.49 is: 317,347.82
Step by Step Solution
- Step 1: Write the proportion equation
411,251.21 : 567,523.46 = 229,963.49 : x - Step 2: Convert to fraction form
411,251.21/567,523.46 = 229,963.49/x - Step 3: Cross multiply
411,251.21x = 567,523.46 × 229,963.49 - Step 4: Simplify right side
411,251.21x = 130,509,675,518.48 - Step 5: Solve for x
x = 130,509,675,518.48/411,251.21 - Step 6: Final answer
x = 317,347.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.